/* roulang page: index */
:root{
  --mk-bg:#0A0C10;
  --mk-bg-elev:#12161D;
  --mk-surface:#171C25;
  --mk-surface-2:#10141B;
  --mk-line:#232B36;
  --mk-primary:#12E3B8;
  --mk-primary-deep:#0E9C7F;
  --mk-accent:#FF3D6E;
  --mk-text:#E9EEF4;
  --mk-text-2:#A3AEBB;
  --mk-text-3:#6D7885;
  --mk-radius-card:14px;
  --mk-radius-btn:10px;
  --mk-radius-img:12px;
  --mk-shadow-card:0 8px 24px rgba(0,0,0,.35);
  --mk-shadow-hover:0 0 0 1px rgba(18,227,184,.35),0 14px 34px rgba(0,0,0,.5);
  --mk-container:1200px;
}
@media (min-width:1200px){
  :root{--mk-container:1280px;}
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:72px;
  background:var(--mk-bg);
  color:var(--mk-text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body,button,input,select,textarea{font-family:inherit;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--mk-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#7ff5dd;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;color:var(--mk-text);}
button{background:none;border:0;color:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:4px;}
.mk-container{width:100%;max-width:var(--mk-container);margin:0 auto;padding:0 20px;}
.mk-section{padding:clamp(56px,8vw,112px) 0;position:relative;}
.mk-section-alt{background:var(--mk-bg-elev);}
.mk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mk-primary);margin-bottom:14px;
}
.mk-eyebrow::before{content:"";width:22px;height:2px;background:var(--mk-primary);display:block;}
.mk-h1{font-size:clamp(28px,5vw,52px);line-height:1.15;letter-spacing:-.02em;font-weight:700;margin:0 0 18px;}
.mk-h2{font-size:clamp(22px,3vw,34px);line-height:1.25;font-weight:600;margin:0 0 14px;letter-spacing:-.01em;}
.mk-h3{font-size:20px;font-weight:600;line-height:1.35;margin:0 0 12px;}
.mk-lead{color:var(--mk-text-2);font-size:16px;max-width:640px;margin:0 0 8px;}
.mk-muted{color:var(--mk-text-3);font-size:13px;}
.mk-section-head{margin-bottom:clamp(28px,4vw,48px);}
.mk-section-head .mk-lead{max-width:680px;}
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--mk-radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.mk-btn-primary{background:var(--mk-primary);color:#06110E;}
.mk-btn-primary:hover{background:#3DF0CA;color:#06110E;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,227,184,.5),0 10px 26px rgba(18,227,184,.22);}
.mk-btn-primary:active{transform:translateY(0);box-shadow:none;}
.mk-btn-ghost{background:transparent;border-color:var(--mk-primary);color:var(--mk-primary);}
.mk-btn-ghost:hover{background:rgba(18,227,184,.08);color:var(--mk-primary);}
.mk-btn-soft{background:rgba(233,238,244,.06);border-color:var(--mk-line);color:var(--mk-text);}
.mk-btn-soft:hover{background:rgba(233,238,244,.11);color:#fff;}
.mk-btn-sm{padding:10px 18px;font-size:14px;}
.mk-btn-block{width:100%;}

/* ===== header / nav ===== */
.mk-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,16,.95);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.mk-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,227,184,.75),transparent);
}
.mk-nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px;}
.mk-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.mk-logo-mark{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(18,227,184,.22),rgba(18,227,184,.05));
  border:1px solid rgba(18,227,184,.4);
}
.mk-logo-mark svg{width:19px;height:19px;display:block;}
.mk-logo-text{font-size:16px;font-weight:700;color:var(--mk-text);letter-spacing:.01em;white-space:nowrap;}
.mk-logo-text em{font-style:normal;color:var(--mk-primary);margin-left:4px;font-weight:600;}
.mk-nav-desktop{display:flex;align-items:center;gap:28px;margin-left:auto;}
.mk-nav-desktop a{
  position:relative;color:var(--mk-text-2);font-size:15px;padding:6px 0;
}
.mk-nav-desktop a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--mk-primary);opacity:0;transition:opacity .2s ease;
}
.mk-nav-desktop a:hover{color:var(--mk-text);}
.mk-nav-desktop a.is-active{
  color:var(--mk-primary);text-shadow:0 0 12px rgba(18,227,184,.55);
}
.mk-nav-desktop a.is-active::after{opacity:1;box-shadow:0 0 12px rgba(18,227,184,.7);}
.mk-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.mk-nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--mk-line);background:var(--mk-bg-elev);
  place-items:center;
}
.mk-nav-toggle span{display:block;width:18px;height:2px;background:var(--mk-text);border-radius:2px;position:relative;}
.mk-nav-toggle span::before,.mk-nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--mk-text);border-radius:2px;
}
.mk-nav-toggle span::before{top:-6px;}
.mk-nav-toggle span::after{top:6px;}
.mk-drawer{
  position:fixed;inset:68px 0 0 0;z-index:55;
  background:rgba(10,12,16,.98);
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
  display:flex;flex-direction:column;padding:16px 20px 24px;
}
.mk-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mk-drawer a.mk-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;border-bottom:1px solid var(--mk-line);
  color:var(--mk-text);font-size:16px;
}
.mk-drawer a.mk-drawer-link.is-active{color:var(--mk-primary);text-shadow:0 0 12px rgba(18,227,184,.5);}
.mk-drawer a.mk-drawer-link span{color:var(--mk-text-3);font-size:13px;}
.mk-drawer .mk-btn{margin-top:auto;}

/* ===== hero ===== */
.mk-hero{
  position:relative;overflow:hidden;
  display:flex;align-items:center;
  min-height:78vh;padding:clamp(56px,9vw,96px) 0;
  background-color:#0A0C10;
  background-image:linear-gradient(180deg,rgba(10,12,16,.62) 0%,rgba(10,12,16,.82) 55%,rgba(10,12,16,.95) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.mk-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;opacity:.6;
}
.mk-hero::after{
  content:"";position:absolute;left:-10%;top:34%;width:120%;height:2px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(18,227,184,.55),transparent);
  transform:rotate(-8deg);
}
.mk-hero .mk-container{position:relative;z-index:2;}
.mk-hero-grid{align-items:center;}
.mk-hero-sub{font-size:17px;color:var(--mk-text-2);margin:0 0 26px;max-width:480px;}
.mk-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.mk-hero-stats{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;}
.mk-stat{padding:0 22px;border-left:1px solid var(--mk-line);}
.mk-stat:first-child{padding-left:0;border-left:0;}
.mk-stat b{display:block;font-size:26px;line-height:1.1;color:var(--mk-primary);font-weight:700;font-variant-numeric:tabular-nums;}
.mk-stat span{display:block;font-size:13px;color:var(--mk-text-3);margin-top:6px;}
.mk-hero-visual{position:relative;margin-top:36px;}
.mk-hero-card{
  border-radius:var(--mk-radius-card);overflow:hidden;
  border:1px solid var(--mk-line);box-shadow:var(--mk-shadow-card);
  background:var(--mk-bg-elev);
}
.mk-hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mk-float-card{
  position:absolute;right:-6px;bottom:-26px;
  background:rgba(18,22,29,.96);border:1px solid var(--mk-line);
  border-radius:12px;padding:14px 18px;min-width:186px;
  box-shadow:var(--mk-shadow-card);
}
.mk-float-card strong{display:block;font-size:22px;color:var(--mk-text);font-variant-numeric:tabular-nums;}
.mk-float-card small{display:block;font-size:12px;color:var(--mk-text-3);margin-top:4px;}
.mk-float-card .mk-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mk-primary);margin-right:6px;box-shadow:0 0 10px rgba(18,227,184,.9);}

/* ===== channel cards ===== */
.mk-channel-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);overflow:hidden;
  box-shadow:var(--mk-shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mk-channel-card:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(18,227,184,.35);}
.mk-channel-media{display:block;overflow:hidden;background:#0E1218;}
.mk-channel-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.mk-channel-card:hover .mk-channel-media img{transform:scale(1.04);}
.mk-channel-body{display:block;padding:24px 24px 26px;}
.mk-badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  border:1px solid rgba(18,227,184,.45);color:var(--mk-primary);
  font-size:12px;letter-spacing:.06em;margin-bottom:14px;
}
.mk-channel-title{display:block;font-size:20px;font-weight:600;color:var(--mk-text);margin-bottom:10px;line-height:1.4;}
.mk-channel-desc{display:block;font-size:15px;color:var(--mk-text-2);line-height:1.75;margin-bottom:18px;}
.mk-channel-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--mk-primary);}
.mk-channel-card:hover .mk-channel-more{gap:10px;}

/* ===== 卖点三连 ===== */
.mk-points{padding-top:8px;}
.mk-point{
  position:relative;padding:28px 22px 28px 24px;
  border-left:2px solid var(--mk-line);
  border-radius:0 var(--mk-radius-card) var(--mk-radius-card) 0;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.mk-point:hover{background:rgba(23,28,37,.85);border-left-color:var(--mk-primary);transform:translateY(-3px);}
.mk-point-num{
  display:block;font-size:clamp(36px,4vw,52px);font-weight:700;line-height:1;
  color:var(--mk-primary);opacity:.28;margin-bottom:16px;letter-spacing:-.03em;
}
.mk-point h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.mk-point p{color:var(--mk-text-2);font-size:15px;margin:0;}
@media (min-width:1024px){
  .mk-points .cell:nth-child(2) .mk-point{transform:translateY(-24px);}
  .mk-points .cell:nth-child(2) .mk-point:hover{transform:translateY(-27px);}
}

/* ===== 场景演示 ===== */
.mk-scene{display:flex;flex-direction:column;gap:24px;align-items:center;}
.mk-scene-media{
  position:relative;width:100%;border-radius:var(--mk-radius-card);overflow:hidden;
  border:1px solid var(--mk-line);box-shadow:var(--mk-shadow-card);
}
.mk-scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mk-scene-media::after{
  content:"";position:absolute;right:0;bottom:0;width:0;height:0;
  border-style:solid;border-width:0 0 34px 34px;
  border-color:transparent transparent var(--mk-primary) transparent;
  opacity:.85;
}
.mk-scene-body h3{font-size:21px;font-weight:600;margin-bottom:12px;}
.mk-scene-body p{color:var(--mk-text-2);font-size:15px;margin-bottom:18px;}
.mk-list-check li{
  position:relative;padding-left:20px;margin-bottom:10px;
  color:var(--mk-text-2);font-size:15px;line-height:1.7;
}
.mk-list-check li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--mk-primary);border-radius:2px;
}
.mk-scene-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--mk-primary);}
.mk-scene-link:hover{gap:10px;}
.mk-scene + .mk-scene{margin-top:clamp(44px,6vw,80px);}

/* ===== CMS 卡片列表 ===== */
.mk-card-grid{margin-top:4px;}
.mk-post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);overflow:hidden;
  box-shadow:var(--mk-shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mk-post-card:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(18,227,184,.35);}
.mk-post-cover{display:block;background:#0E1218;overflow:hidden;}
.mk-post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.mk-post-card:hover .mk-post-cover img{transform:scale(1.04);}
.mk-post-body{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px;}
.mk-post-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--mk-text);margin-bottom:10px;
}
.mk-post-card:hover .mk-post-title{color:var(--mk-primary);}
.mk-post-summary{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;color:var(--mk-text-2);line-height:1.7;margin-bottom:16px;
}
.mk-post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--mk-line);
  font-size:13px;color:var(--mk-text-3);
}
.mk-post-foot .mk-arrow{color:var(--mk-primary);font-size:14px;}
.mk-empty{
  text-align:center;padding:56px 24px;
  border:1px dashed var(--mk-line);border-radius:var(--mk-radius-card);
  background:var(--mk-surface-2);
}
.mk-empty-symbol{
  width:54px;height:54px;margin:0 auto 18px;border-radius:14px;
  display:grid;place-items:center;
  border:1px solid rgba(18,227,184,.35);background:rgba(18,227,184,.06);
}
.mk-empty-symbol svg{width:24px;height:24px;}
.mk-empty p{color:var(--mk-text-2);margin:0 0 18px;}

/* ===== 社会认同 ===== */
.mk-quote{
  height:100%;padding:28px 26px;
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);box-shadow:var(--mk-shadow-card);
  display:flex;flex-direction:column;gap:16px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.mk-quote:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);}
.mk-quote-mark{font-size:34px;line-height:1;color:var(--mk-primary);opacity:.5;}
.mk-quote p{color:var(--mk-text);font-size:15px;line-height:1.8;margin:0;flex:1;}
.mk-quote-by{font-size:13px;color:var(--mk-text-3);}
.mk-logos{
  margin-top:34px;padding:22px 26px;
  border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  background:var(--mk-surface-2);
  display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;justify-content:center;
}
.mk-logos span{
  font-size:14px;color:var(--mk-text-3);letter-spacing:.04em;
  filter:grayscale(1);opacity:.85;
}
.mk-logos span:hover{color:var(--mk-text-2);opacity:1;}

/* ===== FAQ ===== */
.mk-faq-wrap{max-width:860px;}
.mk-accordion{border:0;background:transparent;margin:0;}
.mk-accordion .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--mk-line);
}
.mk-accordion .accordion-item:first-child{border-top:1px solid var(--mk-line);}
.mk-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 18px 22px 16px;border:0;
  font-size:16px;font-weight:600;color:var(--mk-text);
  background:transparent;line-height:1.5;
  transition:color .2s ease,background .2s ease;
}
.mk-accordion .accordion-title::before{
  content:"＋";float:none;order:2;margin:0;position:static;
  color:var(--mk-primary);font-size:16px;line-height:1;
}
.mk-accordion .accordion-item.is-active .accordion-title::before{content:"－";}
.mk-accordion .accordion-title:hover{color:var(--mk-primary);background:rgba(23,28,37,.7);}
.mk-accordion .accordion-item.is-active .accordion-title{color:var(--mk-primary);}
.mk-accordion .accordion-item.is-active{
  border-left:2px solid var(--mk-primary);background:rgba(23,28,37,.55);
}
.mk-accordion .accordion-content{
  padding:0 20px 24px 18px;border:0;background:transparent;
  color:var(--mk-text-2);font-size:15px;line-height:1.85;
}
.mk-accordion .accordion-content p{margin:0;}

/* ===== 底部 CTA ===== */
.mk-cta{
  position:relative;overflow:hidden;
  border-radius:18px;border:1px solid rgba(18,227,184,.28);
  background-color:#0E1319;
  background-image:linear-gradient(120deg,rgba(10,12,16,.9),rgba(14,28,28,.72)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:clamp(38px,6vw,64px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.mk-cta h2{font-size:clamp(22px,3vw,32px);font-weight:600;margin:0 0 10px;}
.mk-cta p{color:var(--mk-text-2);margin:0;max-width:520px;}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== footer ===== */
.mk-footer{
  background:var(--mk-bg);border-top:1px solid var(--mk-line);
  padding:clamp(44px,6vw,72px) 0 0;
}
.mk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.mk-footer h4{font-size:15px;font-weight:600;margin:0 0 16px;color:var(--mk-text);}
.mk-footer p{color:var(--mk-text-3);font-size:14px;line-height:1.8;margin:0 0 12px;}
.mk-footer-links li{margin-bottom:10px;}
.mk-footer-links a{color:var(--mk-text-2);font-size:14px;}
.mk-footer-links a:hover{color:var(--mk-primary);}
.mk-footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.mk-footer-bottom{
  margin-top:clamp(32px,5vw,52px);padding:20px 0 28px;
  border-top:1px solid var(--mk-line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  color:var(--mk-text-3);font-size:13px;
}
.mk-footer-bottom a{color:var(--mk-text-3);}
.mk-footer-bottom a:hover{color:var(--mk-primary);}

/* ===== 固定转化条 ===== */
.mk-fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:64px;display:flex;align-items:center;
  background:rgba(10,12,16,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid rgba(18,227,184,.4);
  transform:translateY(100%);opacity:0;
  transition:transform .28s ease,opacity .28s ease;
}
.mk-fixed-bar.is-visible{transform:translateY(0);opacity:1;}
.mk-fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.mk-fixed-inner span{font-size:14px;color:var(--mk-text-2);}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .mk-nav-desktop{display:none;}
  .mk-nav-toggle{display:grid;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  .mk-container{padding:0 16px;}
  .mk-hero{min-height:520px;}
  .mk-hero-stats{gap:16px 0;flex-wrap:wrap;}
  .mk-stat{padding:0 16px;}
  .mk-float-card{position:static;margin-top:16px;width:100%;}
  .mk-footer-grid{grid-template-columns:1fr;gap:26px;}
  .mk-cta{padding:32px 22px;}
  .mk-cta-actions{width:100%;}
  .mk-cta-actions .mk-btn{flex:1 1 auto;}
  .mk-fixed-bar{height:56px;}
  .mk-fixed-inner span{font-size:13px;}
  body{padding-bottom:64px;}
}

.mk-accordion .accordion-content{display:block !important;}

/* roulang page: article */
:root{
  --mk-bg:#0A0C10;
  --mk-bg-elev:#12161D;
  --mk-surface:#171C25;
  --mk-line:#232B36;
  --mk-primary:#12E3B8;
  --mk-primary-deep:#0E9C7F;
  --mk-accent:#FF3D6E;
  --mk-text:#E9EEF4;
  --mk-text-2:#A3AEBB;
  --mk-text-3:#6D7885;
  --mk-radius:14px;
  --mk-radius-sm:10px;
  --mk-shadow:0 8px 24px rgba(0,0,0,.35);
  --mk-shadow-hover:0 0 0 1px rgba(18,227,184,.35),0 14px 34px rgba(0,0,0,.5);
  --mk-section:clamp(56px,8vw,112px);
  --mk-nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:72px;
  background:var(--mk-bg);
  color:var(--mk-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a:focus-visible,button:focus-visible{outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,227,184,.28);color:#fff}
.mk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1200px){.mk-container{max-width:1280px}}
@media (max-width:639px){.mk-container{padding:0 16px}}

/* ---------- header ---------- */
.mk-header{position:sticky;top:0;z-index:80;background:rgba(10,12,16,.95);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--mk-line)}
.mk-header::after{content:"";display:block;height:1px;background:linear-gradient(90deg,transparent,rgba(18,227,184,.75),transparent)}
.mk-nav-inner{height:var(--mk-nav-h);display:flex;align-items:center;gap:24px}
.mk-logo{display:flex;align-items:center;gap:10px;flex:none}
.mk-logo-mark{width:36px;height:36px;flex:none;display:grid;place-items:center;border-radius:10px;background:linear-gradient(140deg,rgba(18,227,184,.2),rgba(18,227,184,0));border:1px solid rgba(18,227,184,.35)}
.mk-logo-mark svg{width:20px;height:20px}
.mk-logo-text{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.mk-logo-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--mk-text-3);margin-left:6px;letter-spacing:.08em}
.mk-nav-desktop{display:flex;align-items:center;gap:28px;margin-left:auto}
.mk-nav-desktop a{position:relative;font-size:15px;color:var(--mk-text-2);padding:6px 0}
.mk-nav-desktop a:hover{color:var(--mk-text)}
.mk-nav-desktop a.is-active{color:var(--mk-primary);text-shadow:0 0 12px rgba(18,227,184,.45)}
.mk-nav-desktop a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--mk-primary);box-shadow:0 0 10px rgba(18,227,184,.8)}
.mk-nav-actions{display:flex;align-items:center;gap:12px;margin-left:0}
.mk-nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--mk-line);background:var(--mk-bg-elev);position:relative}
.mk-nav-toggle span{position:absolute;inset:0;margin:auto;width:18px;height:2px;background:var(--mk-text);border-radius:2px}
.mk-nav-toggle span::before,.mk-nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--mk-text);transition:transform .2s ease}
.mk-nav-toggle span::before{top:-6px}
.mk-nav-toggle span::after{top:6px}
@media (max-width:1023px){
  .mk-nav-desktop{display:none}
  .mk-nav-actions{margin-left:auto}
  .mk-nav-toggle{display:block}
  .mk-nav-actions .mk-btn{display:none}
}

/* ---------- drawer ---------- */
.mk-drawer-backdrop{position:fixed;inset:0;z-index:110;background:rgba(4,6,9,.68);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease}
.mk-drawer-backdrop.is-open{opacity:1;visibility:visible}
.mk-drawer{position:fixed;top:0;right:0;bottom:0;z-index:120;width:min(88vw,340px);padding:18px 20px 28px;background:var(--mk-bg-elev);border-left:1px solid var(--mk-line);transform:translateX(105%);transition:transform .28s ease;display:flex;flex-direction:column;gap:18px;overflow-y:auto}
.mk-drawer.is-open{transform:none}
.mk-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--mk-line)}
.mk-drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--mk-line);font-size:18px;line-height:1;color:var(--mk-text-2)}
.mk-drawer nav{display:flex;flex-direction:column}
.mk-drawer nav a{display:flex;align-items:center;height:56px;border-bottom:1px solid var(--mk-line);font-size:16px;color:var(--mk-text-2)}
.mk-drawer nav a:hover{color:var(--mk-text)}
.mk-drawer nav a.is-active{color:var(--mk-primary);text-shadow:0 0 12px rgba(18,227,184,.5)}
.mk-drawer .mk-btn{margin-top:auto}

/* ---------- buttons ---------- */
.mk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--mk-radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;white-space:nowrap}
.mk-btn-primary{background:var(--mk-primary);color:#06110E}
.mk-btn-primary:hover{background:#2bf0c6;color:#06110E;box-shadow:0 0 0 1px rgba(18,227,184,.5),0 10px 26px rgba(18,227,184,.28);transform:translateY(-1px)}
.mk-btn-primary:active{transform:none;box-shadow:none}
.mk-btn-ghost{background:transparent;border-color:rgba(18,227,184,.55);color:var(--mk-primary)}
.mk-btn-ghost:hover{background:rgba(18,227,184,.08);transform:translateY(-1px)}
.mk-btn-ghost:active{transform:none}
.mk-btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}

/* ---------- breadcrumb ---------- */
.mk-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--mk-text-3)}
.mk-breadcrumb a{color:var(--mk-text-3)}
.mk-breadcrumb a:hover{color:var(--mk-primary)}
.mk-breadcrumb span.sep{opacity:.5}
.mk-breadcrumb .now{color:var(--mk-text-2);max-width:min(520px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article hero ---------- */
.mk-article-hero{position:relative;overflow:hidden;padding:clamp(34px,5vw,56px) 0 clamp(38px,6vw,72px);background-image:linear-gradient(180deg,rgba(8,10,14,.78),rgba(10,12,16,.97)),url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;border-bottom:1px solid var(--mk-line)}
.mk-article-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}
.mk-article-hero::after{content:"";position:absolute;left:-6%;top:-40%;width:52%;height:180%;background:linear-gradient(90deg,rgba(18,227,184,0),rgba(18,227,184,.16),rgba(18,227,184,0));transform:rotate(18deg);pointer-events:none}
.mk-article-hero .mk-container{position:relative;z-index:2}
.mk-article-hero h1{margin:22px 0 18px;font-size:clamp(28px,5vw,52px);line-height:1.15;letter-spacing:-.02em;font-weight:700}
.mk-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:13px;color:var(--mk-text-3)}
.mk-article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--mk-text-3);opacity:.7}
.mk-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;border:1px solid rgba(18,227,184,.5);color:var(--mk-primary);font-size:12.5px;background:rgba(18,227,184,.07);letter-spacing:.02em}
.mk-badge-accent{border-color:rgba(255,61,110,.55);color:var(--mk-accent);background:rgba(255,61,110,.08)}

/* ---------- layout ---------- */
.mk-section{padding:var(--mk-section) 0}
.mk-section-tight{padding:clamp(36px,5vw,64px) 0}
.mk-article-body{padding:clamp(40px,6vw,72px) 0 var(--mk-section)}
.mk-article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:44px}
@media (min-width:1024px){
  .mk-article-grid{grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:56px;align-items:start}
}

/* ---------- prose ---------- */
.mk-prose{font-size:16.5px;line-height:1.9;color:#D6DEE8;overflow-wrap:anywhere}
.mk-prose p{margin:0 0 18px}
.mk-prose h2{position:relative;margin:40px 0 16px;padding-left:14px;font-size:clamp(20px,2.4vw,26px);line-height:1.4;font-weight:600;color:var(--mk-text)}
.mk-prose h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;background:var(--mk-primary)}
.mk-prose h3{margin:28px 0 12px;font-size:19px;line-height:1.5;font-weight:600;color:var(--mk-text)}
.mk-prose h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--mk-text)}
.mk-prose ul,.mk-prose ol{margin:0 0 18px;padding-left:2px}
.mk-prose ul li{position:relative;padding-left:20px;margin-bottom:10px}
.mk-prose ul li::before{content:"";position:absolute;left:0;top:.78em;width:10px;height:2px;border-radius:2px;background:var(--mk-primary)}
.mk-prose ol{counter-reset:mk-li}
.mk-prose ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:mk-li}
.mk-prose ol li::before{content:counter(mk-li,decimal-leading-zero);position:absolute;left:0;top:.35em;font-size:12px;font-weight:700;color:var(--mk-primary);letter-spacing:.04em}
.mk-prose blockquote{margin:24px 0;padding:16px 20px;border-left:3px solid var(--mk-primary);background:var(--mk-surface);border-radius:0 12px 12px 0;color:var(--mk-text-2)}
.mk-prose img{border-radius:12px;margin:22px 0;max-width:100%}
.mk-prose a{color:var(--mk-primary);border-bottom:1px solid rgba(18,227,184,.35)}
.mk-prose a:hover{border-bottom-color:var(--mk-primary)}
.mk-prose strong{color:#fff}
.mk-prose hr{margin:32px 0;border:0;border-top:1px solid var(--mk-line)}
.mk-prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;display:block;overflow-x:auto;white-space:nowrap}
.mk-prose table::-webkit-scrollbar{height:6px}
.mk-prose table::-webkit-scrollbar-thumb{background:var(--mk-line);border-radius:3px}
.mk-prose th,.mk-prose td{border:1px solid var(--mk-line);padding:10px 14px;text-align:left}
.mk-prose th{background:var(--mk-surface);color:var(--mk-text);font-weight:600}
.mk-prose pre{margin:20px 0;padding:16px 18px;background:#0C1016;border:1px solid var(--mk-line);border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7}
.mk-prose code{background:#0C1016;border:1px solid var(--mk-line);border-radius:6px;padding:1px 6px;font-size:14px;color:#9ff3e0}
.mk-prose pre code{border:0;background:none;padding:0}

.mk-empty{margin:0 auto;max-width:560px;text-align:center;background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius);padding:52px 28px;box-shadow:var(--mk-shadow)}
.mk-empty .mark{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;display:grid;place-items:center;border:1px solid rgba(18,227,184,.4);background:rgba(18,227,184,.07);color:var(--mk-primary);font-size:22px;font-weight:700}
.mk-empty h2{font-size:20px;font-weight:600;margin-bottom:10px}
.mk-empty p{color:var(--mk-text-2);font-size:15px;margin-bottom:22px}

/* ---------- tags & share ---------- */
.mk-article-foot{margin-top:38px;padding-top:26px;border-top:1px solid var(--mk-line);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.mk-tag-row{display:flex;flex-wrap:wrap;gap:10px}
.mk-tag{display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;border:1px solid var(--mk-line);background:var(--mk-bg-elev);font-size:13px;color:var(--mk-text-2)}
.mk-tag:hover{border-color:rgba(18,227,184,.5);color:var(--mk-primary)}
.mk-share{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--mk-text-3)}
.mk-share .mk-btn{border-radius:999px}

/* ---------- pager ---------- */
.mk-pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:34px}
.mk-pager a{display:block;padding:18px 20px;border:1px solid var(--mk-line);background:var(--mk-bg-elev);border-radius:12px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.mk-pager a:hover{border-color:rgba(18,227,184,.45);transform:translateY(-2px);box-shadow:var(--mk-shadow)}
.mk-pager .lbl{display:block;font-size:12.5px;color:var(--mk-text-3);margin-bottom:6px;letter-spacing:.06em}
.mk-pager .ttl{font-size:15.5px;font-weight:600;line-height:1.5;color:var(--mk-text)}
.mk-pager .right{text-align:right}
.mk-back-link{display:inline-flex;align-items:center;gap:8px;margin-top:26px;color:var(--mk-primary);font-size:15px;font-weight:600}
.mk-back-link:hover{gap:12px}

/* ---------- sidebar ---------- */
.mk-side{display:grid;gap:20px}
.mk-side-card{background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius);padding:22px;box-shadow:var(--mk-shadow)}
.mk-side-card h3{font-size:16px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.mk-side-card h3::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--mk-primary)}
.mk-side-list{display:grid;gap:12px}
.mk-side-list a{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--mk-text-2);line-height:1.6}
.mk-side-list a:hover{color:var(--mk-primary)}
.mk-side-list a i{font-style:normal;color:var(--mk-primary);font-size:12px;margin-top:5px}
.mk-check-list{display:grid;gap:12px}
.mk-check-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--mk-text-2);line-height:1.7}
.mk-check-list li::before{content:"";position:absolute;left:0;top:.68em;width:11px;height:2px;border-radius:2px;background:var(--mk-primary)}
.mk-side-hint{margin-top:16px;font-size:13px;color:var(--mk-text-3);line-height:1.7}

/* ---------- section head ---------- */
.mk-section-head{max-width:640px;margin-bottom:38px}
.mk-section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;color:var(--mk-primary);margin-bottom:14px}
.mk-section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--mk-primary)}
.mk-section-head h2{font-size:clamp(22px,3vw,34px);line-height:1.25;font-weight:600}
.mk-section-head p{margin-top:12px;color:var(--mk-text-2);font-size:15.5px}

/* ---------- cards ---------- */
.mk-card-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
@media (min-width:640px){.mk-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.mk-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.mk-card{position:relative;display:flex;flex-direction:column;background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius);overflow:hidden;box-shadow:var(--mk-shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.mk-card:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(18,227,184,.32)}
.mk-card-media{aspect-ratio:16/9;background-size:cover;background-position:center;background-color:#0C1016;position:relative}
.mk-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,16,0),rgba(10,12,16,.55))}
.mk-card-media .mk-badge{position:absolute;left:14px;top:14px;z-index:2;background:rgba(10,12,16,.72);backdrop-filter:blur(4px)}
.mk-card-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 22px;flex:1}
.mk-card-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mk-card-body p{font-size:14px;color:var(--mk-text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mk-card-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--mk-text-3)}
.mk-card-foot .more{color:var(--mk-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.mk-card:hover .mk-card-foot .more{gap:10px}

/* ---------- cta ---------- */
.mk-cta{position:relative;overflow:hidden;padding:clamp(48px,7vw,88px) 0;background-image:linear-gradient(180deg,rgba(10,12,16,.9),rgba(10,12,16,.98)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line)}
.mk-cta::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(18,227,184,.8),transparent)}
.mk-cta-inner{position:relative;z-index:2;max-width:720px}
.mk-cta h2{font-size:clamp(24px,3.4vw,38px);line-height:1.22;font-weight:600;margin-bottom:16px}
.mk-cta p{color:var(--mk-text-2);font-size:16px;margin-bottom:28px;max-width:600px}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.mk-footer{background:#0A0C10;border-top:1px solid var(--mk-line);padding:clamp(44px,6vw,72px) 0 26px}
.mk-footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);gap:34px}
@media (max-width:1023px){.mk-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}}
@media (max-width:639px){.mk-footer-grid{grid-template-columns:minmax(0,1fr)}}
.mk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.mk-footer p{font-size:14px;color:var(--mk-text-2);line-height:1.8}
.mk-footer h4{font-size:15px;font-weight:600;margin-bottom:16px}
.mk-footer-links{display:grid;gap:11px}
.mk-footer-links a{font-size:14px;color:var(--mk-text-2)}
.mk-footer-links a:hover{color:var(--mk-primary)}
.mk-footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--mk-line);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:var(--mk-text-3)}

/* ---------- sticky bar ---------- */
.mk-sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 22px;background:rgba(10,12,16,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid rgba(18,227,184,.45);transform:translateY(110%);opacity:0;transition:transform .3s ease,opacity .3s ease}
.mk-sticky-bar.is-visible{transform:none;opacity:1}
.mk-sticky-bar .tip{font-size:14px;color:var(--mk-text-2)}
.mk-sticky-bar .tip strong{color:var(--mk-text);font-weight:600}
@media (max-width:639px){
  .mk-sticky-bar{height:56px;padding:0 16px}
  .mk-sticky-bar .tip{font-size:13px;max-width:56vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .mk-sticky-bar .mk-btn{padding:8px 14px;font-size:13.5px}
  .mk-pager{grid-template-columns:minmax(0,1fr)}
  .mk-pager .right{text-align:left}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --mk-bg:#0A0C10;
  --mk-bg-elev:#12161D;
  --mk-surface:#171C25;
  --mk-line:#232B36;
  --mk-primary:#12E3B8;
  --mk-primary-deep:#0E9C7F;
  --mk-accent:#FF3D6E;
  --mk-text:#E9EEF4;
  --mk-text-2:#A3AEBB;
  --mk-text-3:#6D7885;
  --mk-radius-card:14px;
  --mk-radius-btn:10px;
  --mk-radius-img:12px;
  --mk-shadow:0 8px 24px rgba(0,0,0,.35);
  --mk-shadow-hover:0 0 0 1px rgba(18,227,184,.35),0 14px 34px rgba(0,0,0,.5);
  --mk-max:1200px;
  --mk-pad-x:20px;
  --mk-ease:200ms ease;
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:72px;
  background:var(--mk-bg);
  color:var(--mk-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mk-primary);text-decoration:none;transition:color var(--mk-ease)}
a:hover{color:#5CF0D4}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;color:var(--mk-text);font-weight:600;letter-spacing:-.01em;line-height:1.25}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:4px}
::selection{background:rgba(18,227,184,.28);color:#FFFFFF}

/* Foundation 默认味道覆盖 */
body,html{font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.grid-container,.grid-x,.cell{padding-left:0;padding-right:0}
.grid-x{display:flex;flex-flow:row wrap}

/* ===== 容器 ===== */
.mk-container{
  width:100%;
  max-width:var(--mk-max);
  margin:0 auto;
  padding-left:var(--mk-pad-x);
  padding-right:var(--mk-pad-x);
}
.grid-container.mk-container{
  max-width:var(--mk-max);
  padding-left:var(--mk-pad-x);
  padding-right:var(--mk-pad-x);
}
@media (min-width:1200px){
  :root{--mk-max:1280px}
}

/* ===== 顶部导航 ===== */
.mk-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,12,16,.95);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(35,43,54,.9);
}
.mk-header::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,227,184,.7),transparent);
}
.mk-nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.mk-logo{display:inline-flex;align-items:center;gap:10px;color:var(--mk-text);font-weight:700}
.mk-logo:hover{color:var(--mk-text)}
.mk-logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(140deg,rgba(18,227,184,.18),rgba(18,227,184,.02));
  border:1px solid rgba(18,227,184,.35);
  flex:0 0 auto;
}
.mk-logo-mark svg{width:22px;height:22px}
.mk-logo-text{font-size:17px;white-space:nowrap;letter-spacing:-.01em}
.mk-logo-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--mk-text-3);margin-left:6px;letter-spacing:.06em}
.mk-nav-desktop{display:flex;align-items:center;gap:28px}
.mk-nav-desktop a{
  position:relative;
  font-size:15px;
  color:var(--mk-text-2);
  padding:6px 0;
  white-space:nowrap;
}
.mk-nav-desktop a::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--mk-primary);
  transform:scaleX(0);
  transition:transform var(--mk-ease);
}
.mk-nav-desktop a:hover{color:var(--mk-text)}
.mk-nav-desktop a:hover::after{transform:scaleX(1)}
.mk-nav-desktop a.is-active{color:var(--mk-primary);text-shadow:0 0 12px rgba(18,227,184,.45)}
.mk-nav-desktop a.is-active::after{transform:scaleX(1);box-shadow:0 0 10px rgba(18,227,184,.6)}
.mk-nav-actions{display:flex;align-items:center;gap:12px}

/* ===== 按钮 ===== */
.mk-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--mk-radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform var(--mk-ease),box-shadow var(--mk-ease),background var(--mk-ease),color var(--mk-ease),border-color var(--mk-ease);
}
.mk-btn-primary{
  background:var(--mk-primary);
  color:#06110E;
  box-shadow:0 6px 18px rgba(18,227,184,.18);
}
.mk-btn-primary:hover{
  background:#3DF0CC;
  color:#06110E;
  transform:translateY(-1px);
  box-shadow:0 0 0 4px rgba(18,227,184,.14),0 10px 24px rgba(18,227,184,.28);
}
.mk-btn-primary:active{transform:none;box-shadow:0 4px 12px rgba(18,227,184,.2)}
.mk-btn-ghost{
  background:transparent;
  border:1px solid rgba(18,227,184,.55);
  color:var(--mk-primary);
}
.mk-btn-ghost:hover{
  background:rgba(18,227,184,.08);
  border-color:var(--mk-primary);
  color:#5CF0D4;
  transform:translateY(-1px);
}
.mk-btn-ghost:active{transform:none}
.mk-btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.mk-btn-block{width:100%}

/* ===== 移动抽屉 ===== */
.mk-nav-toggle{
  display:none;
  position:relative;
  width:42px;height:42px;
  border:1px solid var(--mk-line);
  border-radius:10px;
  transition:border-color var(--mk-ease),background var(--mk-ease);
}
.mk-nav-toggle:hover{border-color:rgba(18,227,184,.5);background:rgba(18,227,184,.06)}
.mk-nav-toggle span{
  position:absolute;left:50%;top:50%;
  width:18px;height:2px;
  background:var(--mk-text);
  transform:translate(-50%,-50%);
  transition:background var(--mk-ease),transform var(--mk-ease);
}
.mk-nav-toggle span::before,.mk-nav-toggle span::after{
  content:'';position:absolute;left:0;
  width:18px;height:2px;background:var(--mk-text);
  transition:transform var(--mk-ease),top var(--mk-ease),background var(--mk-ease);
}
.mk-nav-toggle span::before{top:-6px}
.mk-nav-toggle span::after{top:6px}
.mk-nav-toggle[aria-expanded="true"] span{background:transparent}
.mk-nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);background:var(--mk-primary)}
.mk-nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);background:var(--mk-primary)}

.mk-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(360px,86vw);
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:20px;
  background:var(--mk-bg-elev);
  border-left:1px solid var(--mk-line);
  transform:translateX(102%);
  transition:transform .28s ease;
  overflow-y:auto;
}
.mk-drawer.is-open{transform:translateX(0)}
.mk-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--mk-line)}
.mk-drawer-close{
  width:36px;height:36px;border:1px solid var(--mk-line);border-radius:9px;
  color:var(--mk-text-2);font-size:15px;
  transition:border-color var(--mk-ease),color var(--mk-ease);
}
.mk-drawer-close:hover{border-color:rgba(18,227,184,.5);color:var(--mk-primary)}
.mk-drawer-nav{display:flex;flex-direction:column;margin:14px 0 auto}
.mk-drawer-nav a{
  height:56px;
  display:flex;align-items:center;
  font-size:16px;
  color:var(--mk-text-2);
  border-bottom:1px solid var(--mk-line);
}
.mk-drawer-nav a:hover{color:var(--mk-text)}
.mk-drawer-nav a.is-active{color:var(--mk-primary);text-shadow:0 0 12px rgba(18,227,184,.4)}
.mk-drawer-foot{padding-top:20px}
.mk-drawer-mask{
  position:fixed;inset:0;
  z-index:70;
  background:rgba(4,6,9,.68);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.mk-drawer-mask.is-open{opacity:1;visibility:visible}

/* ===== Hero 页首条 ===== */
.mk-hero{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  min-height:78vh;
  padding:88px 0 76px;
}
.mk-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.mk-hero-bg::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,16,.55) 0%,rgba(10,12,16,.95) 78%,var(--mk-bg) 100%);
}
.mk-hero::before{
  content:'';
  position:absolute;inset:0;
  z-index:1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(233,238,244,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(233,238,244,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
}
.mk-hero::after{
  content:'';
  position:absolute;
  left:-10%;top:56%;
  width:120%;height:2px;
  z-index:1;
  background:linear-gradient(90deg,transparent,var(--mk-primary),transparent);
  transform:rotate(-6deg);
  opacity:.45;
  pointer-events:none;
}
.mk-hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:clamp(32px,5vw,64px);
  align-items:center;
  width:100%;
}
.mk-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--mk-primary);
}
.mk-eyebrow::before{content:'';width:24px;height:2px;background:var(--mk-primary);display:block}
.mk-hero h1{
  margin:16px 0 0;
  font-size:clamp(28px,5vw,52px);
  line-height:1.15;
  letter-spacing:-.02em;
  font-weight:700;
}
.mk-hero-sub{
  margin-top:18px;
  max-width:520px;
  font-size:clamp(15px,1.4vw,17px);
  line-height:1.8;
  color:var(--mk-text-2);
}
.mk-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.mk-hero-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--mk-line);
}
.mk-hero-metrics li{display:flex;align-items:baseline;gap:8px}
.mk-hero-metrics li + li{padding-left:28px;border-left:1px solid var(--mk-line)}
.mk-hero-metrics strong{
  font-family:Inter,"PingFang SC",system-ui,sans-serif;
  font-size:26px;
  font-weight:700;
  color:var(--mk-primary);
  line-height:1;
}
.mk-hero-metrics span{font-size:13px;color:var(--mk-text-3)}

.mk-hero-visual{position:relative}
.mk-hero-figure{
  margin:0;
  border-radius:var(--mk-radius-card);
  overflow:hidden;
  border:1px solid var(--mk-line);
  box-shadow:0 18px 48px rgba(0,0,0,.55);
  background:var(--mk-surface);
}
.mk-hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mk-float-card{
  position:absolute;
  left:-14px;bottom:-18px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;
  border-radius:12px;
  background:rgba(18,22,29,.94);
  border:1px solid rgba(18,227,184,.32);
  box-shadow:0 12px 28px rgba(0,0,0,.5);
  backdrop-filter:blur(6px);
}
.mk-float-card strong{display:block;font-size:14px;color:var(--mk-text)}
.mk-float-card small{display:block;font-size:12px;color:var(--mk-text-3)}
.mk-float-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--mk-primary);
  box-shadow:0 0 0 4px rgba(18,227,184,.16),0 0 12px rgba(18,227,184,.8);
  flex:0 0 auto;
}

/* ===== 通用板块 ===== */
.mk-section{position:relative;padding:clamp(56px,8vw,112px) 0}
.mk-section-alt{
  background:linear-gradient(180deg,rgba(18,22,29,0) 0%,rgba(18,22,29,.9) 22%,rgba(18,22,29,.9) 78%,rgba(18,22,29,0) 100%);
}
.mk-section-head{max-width:780px;margin-bottom:clamp(28px,4vw,48px)}
.mk-section-head h2{
  margin-top:16px;
  font-size:clamp(22px,3vw,34px);
  line-height:1.25;
}
.mk-section-head p{margin-top:16px;color:var(--mk-text-2);font-size:16px;line-height:1.85}

/* ===== 图文交替 ===== */
.mk-split{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:clamp(24px,4vw,56px);
  align-items:center;
}
.mk-split.is-reverse .mk-split-media{order:2}
.mk-split-media{
  position:relative;
  margin:0;
  border-radius:var(--mk-radius-card);
  overflow:hidden;
  border:1px solid var(--mk-line);
  box-shadow:var(--mk-shadow);
  background:var(--mk-surface);
}
.mk-split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.mk-split-media:hover img{transform:scale(1.03)}
.mk-corner{
  position:absolute;
  left:18px;bottom:18px;
  width:0;height:0;
  border-left:14px solid var(--mk-primary);
  border-top:9px solid transparent;
  border-bottom:9px solid transparent;
  filter:drop-shadow(0 0 10px rgba(18,227,184,.65));
}
.mk-split-body h3{font-size:20px;margin-bottom:16px}
.mk-split-body p{color:var(--mk-text-2);font-size:15.5px;line-height:1.85}
.mk-check-list{margin-top:20px}
.mk-check-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:12px;
  color:var(--mk-text-2);
  font-size:15.5px;
  line-height:1.8;
}
.mk-check-list li::before{
  content:'';
  position:absolute;
  left:0;top:.78em;
  width:12px;height:2px;
  background:var(--mk-primary);
}
.mk-link-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:12px;
  font-size:15px;
  font-weight:600;
  color:var(--mk-primary);
}
.mk-link-cta span{transition:transform var(--mk-ease)}
.mk-link-cta:hover span{transform:translateX(4px)}

/* ===== 卡片网格 ===== */
.mk-card-grid{margin-left:-12px;margin-right:-12px}
.mk-card-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;display:flex}
.mk-card{
  position:relative;
  width:100%;
  padding:28px 24px;
  border-radius:var(--mk-radius-card);
  background:var(--mk-surface);
  border:1px solid var(--mk-line);
  box-shadow:var(--mk-shadow);
  overflow:hidden;
  transition:transform var(--mk-ease),box-shadow var(--mk-ease),border-color var(--mk-ease);
}
.mk-card::before{
  content:'';
  position:absolute;
  left:0;top:24px;bottom:24px;
  width:2px;
  background:var(--mk-primary);
  opacity:0;
  transition:opacity var(--mk-ease);
}
.mk-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--mk-shadow-hover);
  border-color:rgba(18,227,184,.35);
}
.mk-card:hover::before{opacity:1}
.mk-card-icon{
  width:46px;height:46px;
  display:grid;place-items:center;
  margin-bottom:18px;
  border-radius:12px;
  font-size:18px;
  color:var(--mk-primary);
  background:rgba(18,227,184,.1);
  border:1px solid rgba(18,227,184,.28);
}
.mk-card h3{font-size:18px;margin-bottom:10px}
.mk-card p{color:var(--mk-text-2);font-size:15px;line-height:1.8}
.mk-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.mk-tag{
  font-size:12px;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--mk-line);
  color:var(--mk-text-3);
  transition:border-color var(--mk-ease),color var(--mk-ease);
}
.mk-card:hover .mk-tag{border-color:rgba(18,227,184,.32);color:var(--mk-text-2)}
.mk-tag-accent{
  border-color:rgba(255,61,110,.45);
  color:#FF7A9C;
}

/* ===== FAQ ===== */
.mk-faq{max-width:880px}
.mk-faq-item{border-bottom:1px solid var(--mk-line)}
.mk-faq-item:first-child{border-top:1px solid var(--mk-line)}
.mk-faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 18px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--mk-text);
  transition:color var(--mk-ease),background var(--mk-ease);
}
.mk-faq-q:hover{color:var(--mk-primary);background:rgba(18,227,184,.04)}
.mk-faq-icon{
  flex:0 0 auto;
  font-size:15px;
  color:var(--mk-text-3);
  transition:color var(--mk-ease),transform var(--mk-ease);
}
.mk-faq-item.is-open .mk-faq-q{color:var(--mk-primary);box-shadow:inset 2px 0 0 var(--mk-primary)}
.mk-faq-item.is-open .mk-faq-icon{color:var(--mk-primary);transform:rotate(180deg)}
.mk-faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  background:var(--mk-surface);
  border-radius:10px;
}
.mk-faq-item.is-open .mk-faq-a{max-height:340px;margin:0 0 18px}
.mk-faq-a p{padding:16px 20px;color:var(--mk-text-2);font-size:15px;line-height:1.85}

/* ===== 底部 CTA ===== */
.mk-cta{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.5fr auto;
  gap:28px;
  align-items:center;
  padding:clamp(30px,5vw,60px);
  border-radius:20px;
  border:1px solid rgba(18,227,184,.28);
  background:linear-gradient(120deg,rgba(18,227,184,.13),rgba(23,28,37,.92) 58%);
}
.mk-cta::after{
  content:'';
  position:absolute;
  right:-90px;top:-90px;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,227,184,.2),transparent 70%);
  pointer-events:none;
}
.mk-cta-copy{position:relative;z-index:1}
.mk-cta-copy h2{font-size:clamp(21px,2.6vw,30px)}
.mk-cta-copy p{margin-top:14px;color:var(--mk-text-2);font-size:15.5px;line-height:1.8;max-width:620px}
.mk-cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.mk-footer{
  margin-top:clamp(40px,6vw,80px);
  padding-top:clamp(44px,6vw,72px);
  border-top:1px solid var(--mk-line);
  background:var(--mk-bg);
}
.mk-footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
}
.mk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.mk-footer p{color:var(--mk-text-2);font-size:14px;line-height:1.85}
.mk-footer h4{font-size:15px;margin-bottom:16px;color:var(--mk-text)}
.mk-footer-links li{margin-bottom:10px}
.mk-footer-links a{color:var(--mk-text-2);font-size:14px}
.mk-footer-links a:hover{color:var(--mk-primary)}
.mk-footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 26px;
  border-top:1px solid var(--mk-line);
  font-size:13px;
  color:var(--mk-text-3);
}

/* ===== 固定转化条 ===== */
.mk-fixbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:65;
  background:rgba(10,12,16,.93);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid rgba(18,227,184,.45);
  transform:translateY(110%);
  transition:transform .3s ease;
}
.mk-fixbar.is-show{transform:translateY(0)}
.mk-fixbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
}
.mk-fixbar-text{font-size:14px;color:var(--mk-text-2)}
.mk-fixbar-text strong{color:var(--mk-text);font-weight:600}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .mk-nav-desktop{display:none}
  .mk-nav-toggle{display:block}
  .mk-hero{min-height:auto;padding:64px 0 60px}
  .mk-hero-inner{grid-template-columns:1fr;gap:40px}
  .mk-hero-sub{max-width:none}
  .mk-hero-metrics li + li{padding-left:20px}
  .mk-float-card{left:auto;right:12px;bottom:-16px}
  .mk-split{grid-template-columns:1fr;gap:28px}
  .mk-split.is-reverse .mk-split-media{order:0}
  .mk-cta{grid-template-columns:1fr}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}

@media (max-width:767px){
  :root{--mk-pad-x:16px}
  body{font-size:15.5px;padding-bottom:64px}
  .mk-nav-inner{height:62px}
  .mk-logo-text{font-size:15.5px}
  .mk-logo-text em{display:none}
  .mk-hero h1{font-size:clamp(26px,7vw,34px)}
  .mk-hero-metrics{gap:14px 20px}
  .mk-hero-metrics li + li{padding-left:20px}
  .mk-hero-metrics strong{font-size:22px}
  .mk-hero-cta{gap:12px}
  .mk-hero-cta .mk-btn{flex:1 1 auto}
  .mk-float-card{padding:12px 14px}
  .mk-card{padding:24px 20px}
  .mk-faq-q{font-size:16px;padding:20px 14px}
  .mk-faq-a p{padding:14px 16px}
  .mk-cta{padding:28px 22px}
  .mk-cta-actions .mk-btn{flex:1 1 auto}
  .mk-footer-grid{grid-template-columns:1fr}
  .mk-footer-bottom{flex-direction:column;align-items:flex-start}
  .mk-fixbar-inner{height:56px}
  .mk-fixbar-text{font-size:13px}
}

@media (max-width:519px){
  .mk-nav-actions .mk-btn{display:none}
  .mk-hero-metrics li{flex-direction:column;gap:2px;align-items:flex-start}
  .mk-hero-metrics li + li{padding-left:18px}
  .mk-section-head p{font-size:15px}
  .mk-fixbar-text{max-width:56%}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --mk-bg:#0A0C10;
  --mk-bg-elev:#12161D;
  --mk-surface:#171C25;
  --mk-line:#232B36;
  --mk-primary:#12E3B8;
  --mk-primary-deep:#0E9C7F;
  --mk-accent:#FF3D6E;
  --mk-text:#E9EEF4;
  --mk-text-2:#A3AEBB;
  --mk-text-3:#6D7885;
  --mk-radius-card:14px;
  --mk-radius-btn:10px;
  --mk-radius-img:12px;
  --mk-shadow:0 8px 24px rgba(0,0,0,.35);
  --mk-shadow-hover:0 0 0 1px rgba(18,227,184,.35),0 14px 34px rgba(0,0,0,.5);
  --mk-container:1200px;
  --mk-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--mk-bg);
  color:var(--mk-text);
  font-family:var(--mk-font);
  font-size:16px;
  line-height:1.75;
  padding-bottom:72px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--mk-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:#5cf3d3}
h1,h2,h3,h4{margin:0;color:var(--mk-text);font-weight:600;letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:4px}
.mk-container{width:100%;max-width:var(--mk-container);margin:0 auto;padding:0 20px}

/* ---------- 按钮 ---------- */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--mk-radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.mk-btn-primary{background:var(--mk-primary);color:#06110E;box-shadow:0 6px 18px rgba(18,227,184,.22)}
.mk-btn-primary:hover{background:#3cf0ca;color:#06110E;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,227,184,.45),0 10px 26px rgba(18,227,184,.35)}
.mk-btn-primary:active{transform:none;box-shadow:0 4px 12px rgba(18,227,184,.25)}
.mk-btn-ghost{background:transparent;border-color:var(--mk-primary);color:var(--mk-primary)}
.mk-btn-ghost:hover{background:rgba(18,227,184,.08);color:var(--mk-primary)}
.mk-btn-plain{background:transparent;border-color:var(--mk-line);color:var(--mk-text-2)}
.mk-btn-plain:hover{border-color:var(--mk-primary);color:var(--mk-primary);background:rgba(18,227,184,.06)}
.mk-btn-sm{padding:10px 18px;font-size:14px}

/* ---------- 导航 ---------- */
.mk-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,12,16,.95);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--mk-line);
}
.mk-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,227,184,.75),transparent);
}
.mk-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.mk-logo{display:inline-flex;align-items:center;gap:10px;color:var(--mk-text)}
.mk-logo:hover{color:var(--mk-text)}
.mk-logo-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--mk-surface);border:1px solid var(--mk-line);flex:0 0 auto;
}
.mk-logo-mark svg{width:20px;height:20px}
.mk-logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;display:inline-flex;align-items:baseline;gap:6px}
.mk-logo-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--mk-text-3);letter-spacing:.04em}
.mk-nav-desktop{display:flex;align-items:center;gap:28px}
.mk-nav-desktop a{
  position:relative;color:var(--mk-text-2);font-size:15px;font-weight:500;padding:6px 0;transition:color .2s ease;
}
.mk-nav-desktop a:hover{color:var(--mk-text)}
.mk-nav-desktop a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--mk-primary);opacity:0;transform:scaleX(.4);transition:opacity .2s ease,transform .2s ease;
}
.mk-nav-desktop a.is-active{color:var(--mk-primary);text-shadow:0 0 12px rgba(18,227,184,.35)}
.mk-nav-desktop a.is-active::after{opacity:1;transform:none;box-shadow:0 0 10px rgba(18,227,184,.7)}
.mk-nav-actions{display:flex;align-items:center;gap:14px}
.mk-nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;background:var(--mk-surface);
  border:1px solid var(--mk-line);cursor:pointer;position:relative;
}
.mk-nav-toggle span,.mk-nav-toggle span::before,.mk-nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--mk-text);border-radius:2px;
  transform:translateX(-50%);transition:transform .25s ease,opacity .25s ease;
}
.mk-nav-toggle span{top:50%;margin-top:-1px}
.mk-nav-toggle span::before{content:"";left:0;top:-6px;transform:none}
.mk-nav-toggle span::after{content:"";left:0;top:6px;transform:none}
.mk-nav-toggle.is-open span{background:transparent}
.mk-nav-toggle.is-open span::before{transform:rotate(45deg);top:0}
.mk-nav-toggle.is-open span::after{transform:rotate(-45deg);top:0}

.mk-drawer{
  position:fixed;inset:0;z-index:200;display:flex;flex-direction:column;
  background:rgba(10,12,16,.98);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:20px;transform:translateX(100%);visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.mk-drawer.is-open{transform:none;visibility:visible}
.mk-drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid var(--mk-line);margin-bottom:8px}
.mk-drawer-close{
  width:42px;height:42px;border-radius:10px;background:transparent;border:1px solid var(--mk-line);
  color:var(--mk-text);font-size:20px;line-height:1;cursor:pointer;
}
.mk-drawer-nav{display:flex;flex-direction:column}
.mk-drawer-nav a{
  height:56px;display:flex;align-items:center;color:var(--mk-text-2);font-size:16px;
  border-bottom:1px solid var(--mk-line);
}
.mk-drawer-nav a.is-active{color:var(--mk-primary);text-shadow:0 0 12px rgba(18,227,184,.35)}
.mk-drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- 板块通用 ---------- */
.mk-section{padding:clamp(56px,8vw,112px) 0}
.mk-section-alt{background:var(--mk-bg-elev)}
.mk-section-head{max-width:760px;margin-bottom:clamp(32px,4vw,56px)}
.mk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--mk-primary);text-transform:uppercase;margin-bottom:14px;
}
.mk-eyebrow::before{content:"";width:22px;height:2px;background:var(--mk-primary);border-radius:2px}
.mk-h2{font-size:clamp(22px,3vw,34px);line-height:1.25}
.mk-h3{font-size:20px;line-height:1.4}
.mk-lead{color:var(--mk-text-2);font-size:16px;line-height:1.85;margin-top:14px}
.mk-sub{color:var(--mk-text-2);font-size:15px}

/* ---------- 页首条 ---------- */
.mk-cat-hero{
  position:relative;overflow:hidden;
  padding:clamp(64px,10vw,120px) 0 clamp(48px,7vw,88px);
  background-image:
    linear-gradient(180deg,rgba(10,12,16,.95) 0%,rgba(10,12,16,.82) 45%,rgba(10,12,16,.96) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--mk-line);
}
.mk-cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
}
.mk-cat-hero::after{
  content:"";position:absolute;top:-60px;right:-10%;width:52%;height:280%;
  background:linear-gradient(115deg,transparent 42%,rgba(18,227,184,.14) 50%,transparent 58%);
  pointer-events:none;
}
.mk-cat-hero-inner{position:relative;z-index:2;max-width:820px}
.mk-cat-hero h1{
  font-size:clamp(28px,5vw,52px);line-height:1.15;letter-spacing:-.02em;font-weight:700;margin-bottom:20px;
}
.mk-cat-hero h1 span{color:var(--mk-primary)}
.mk-cat-hero .mk-lead{font-size:clamp(16px,1.6vw,18px);max-width:680px;color:var(--mk-text-2)}
.mk-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.mk-hero-metrics{
  display:flex;flex-wrap:wrap;gap:0;margin-top:44px;border-top:1px solid var(--mk-line);padding-top:24px;
}
.mk-metric{padding:0 28px;border-left:1px solid var(--mk-line)}
.mk-metric:first-child{padding-left:0;border-left:0}
.mk-metric b{display:block;font-size:clamp(20px,2.4vw,28px);font-weight:700;color:var(--mk-primary);line-height:1.2;font-variant-numeric:tabular-nums}
.mk-metric span{font-size:13px;color:var(--mk-text-3)}

/* ---------- 流程时间轴 ---------- */
.mk-flow{position:relative;display:grid;gap:26px;max-width:920px}
.mk-flow::before{
  content:"";position:absolute;left:27px;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(18,227,184,.6),rgba(18,227,184,.06));
}
.mk-step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;align-items:start;padding:6px 0}
.mk-step-num{
  width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--mk-surface);border:1px solid var(--mk-line);
  font-size:17px;font-weight:700;color:var(--mk-primary);position:relative;z-index:2;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  font-variant-numeric:tabular-nums;
}
.mk-step-body{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  padding:20px 24px;box-shadow:var(--mk-shadow);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.mk-step:hover .mk-step-num{border-color:rgba(18,227,184,.55);box-shadow:0 0 0 1px rgba(18,227,184,.25),0 0 18px rgba(18,227,184,.18);transform:translateY(-2px)}
.mk-step:hover .mk-step-body{border-color:rgba(18,227,184,.35);transform:translateY(-2px);box-shadow:var(--mk-shadow-hover)}
.mk-step-body h3{font-size:18px;margin-bottom:8px}
.mk-step-body p{color:var(--mk-text-2);font-size:15px;line-height:1.8;margin:0}
.mk-step-tag{
  display:inline-block;margin-top:12px;font-size:12px;color:var(--mk-primary);
  border:1px solid rgba(18,227,184,.4);border-radius:999px;padding:3px 12px;
}

/* ---------- 双栏对照 ---------- */
.mk-compare{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center}
.mk-compare.is-reverse{grid-template-columns:.95fr 1.05fr}
.mk-compare-figure{
  position:relative;border-radius:var(--mk-radius-card);overflow:hidden;border:1px solid var(--mk-line);
  box-shadow:var(--mk-shadow);background:var(--mk-surface);
}
.mk-compare-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.mk-compare-figure:hover img{transform:scale(1.03)}
.mk-tri{
  position:absolute;left:0;bottom:0;width:0;height:0;
  border-left:22px solid var(--mk-primary);border-top:22px solid transparent;
}
.mk-compare-copy h3{font-size:clamp(20px,2.4vw,26px);line-height:1.3;margin-bottom:12px}
.mk-compare-copy > p{color:var(--mk-text-2);font-size:15px;line-height:1.85}
.mk-points{margin-top:22px;display:grid;gap:14px}
.mk-points li{position:relative;padding-left:22px;color:var(--mk-text);font-size:15px;line-height:1.7}
.mk-points li::before{
  content:"";position:absolute;left:0;top:12px;width:12px;height:2px;border-radius:2px;background:var(--mk-primary);
}
.mk-points li em{font-style:normal;color:var(--mk-text-2);display:block;font-size:14px;margin-top:2px}
.mk-inline-link{display:inline-flex;align-items:center;gap:6px;margin-top:22px;font-size:15px;font-weight:600;color:var(--mk-primary)}
.mk-inline-link:hover{gap:11px}
.mk-inline-link::after{content:"→";transition:transform .2s ease}

/* ---------- 快捷入口卡 ---------- */
.mk-quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mk-quick{
  display:flex;flex-direction:column;gap:12px;padding:24px 22px;border-radius:var(--mk-radius-card);
  background:var(--mk-surface);border:1px solid var(--mk-line);box-shadow:var(--mk-shadow);
  color:var(--mk-text);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mk-quick:hover{color:var(--mk-text);transform:translateY(-3px);border-color:rgba(18,227,184,.4);box-shadow:var(--mk-shadow-hover)}
.mk-quick-ico{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(18,227,184,.1);border:1px solid rgba(18,227,184,.3);color:var(--mk-primary);font-size:15px;font-weight:700;
}
.mk-quick h3{font-size:17px;line-height:1.4}
.mk-quick p{font-size:14px;color:var(--mk-text-2);line-height:1.7;margin:0}
.mk-quick-more{margin-top:auto;display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--mk-primary)}
.mk-quick:hover .mk-quick-more{gap:10px}

/* ---------- FAQ ---------- */
.mk-faq{max-width:860px}
.mk-faq .accordion{background:transparent;border:0;margin:0}
.mk-faq .accordion-item{border:0;border-bottom:1px solid var(--mk-line);background:transparent}
.mk-faq .accordion-title{
  border:0;background:transparent;color:var(--mk-text);font-size:17px;font-weight:600;
  padding:20px 48px 20px 18px;position:relative;border-left:2px solid transparent;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.mk-faq .accordion-title:hover{background:rgba(255,255,255,.02);color:var(--mk-text)}
.mk-faq .accordion-title::before{
  content:"＋";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  color:var(--mk-primary);font-size:16px;line-height:1;
}
.mk-faq .accordion-item.is-active .accordion-title::before{content:"－"}
.mk-faq .accordion-item.is-active .accordion-title{border-left-color:var(--mk-primary);color:#fff}
.mk-faq .accordion-content{
  background:var(--mk-surface);border:0;border-left:2px solid rgba(18,227,184,.35);
  color:var(--mk-text-2);font-size:15px;line-height:1.85;padding:18px 22px;
}
.mk-faq .accordion-content p{margin:0}

/* ---------- 底部 CTA ---------- */
.mk-cta-band{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--mk-line);
  background-image:linear-gradient(120deg,rgba(10,12,16,.94),rgba(10,12,16,.72)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;padding:clamp(36px,5vw,64px);
}
.mk-cta-band::after{
  content:"";position:absolute;top:-40%;right:-6%;width:44%;height:200%;
  background:linear-gradient(115deg,transparent 45%,rgba(18,227,184,.16) 52%,transparent 60%);pointer-events:none;
}
.mk-cta-inner{position:relative;z-index:2;max-width:640px}
.mk-cta-inner h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px}
.mk-cta-inner p{color:var(--mk-text-2);font-size:15px;line-height:1.85}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 页脚 ---------- */
.mk-footer{background:var(--mk-bg);border-top:1px solid var(--mk-line);padding:clamp(44px,6vw,72px) 0 28px;margin-top:8px}
.mk-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.mk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.mk-footer p{color:var(--mk-text-2);font-size:14px;line-height:1.85;margin-bottom:8px}
.mk-footer h4{font-size:15px;margin-bottom:16px;color:var(--mk-text)}
.mk-footer-links li{margin-bottom:10px}
.mk-footer-links a{color:var(--mk-text-2);font-size:14px}
.mk-footer-links a:hover{color:var(--mk-primary)}
.mk-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--mk-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--mk-text-3);
}

/* ---------- 底部固定条 ---------- */
.mk-bottombar{
  position:fixed;left:0;right:0;bottom:0;z-index:150;height:64px;
  display:flex;align-items:center;
  background:rgba(10,12,16,.93);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid rgba(18,227,184,.55);
  transform:translateY(100%);opacity:0;transition:transform .32s ease,opacity .32s ease;
}
.mk-bottombar.is-visible{transform:none;opacity:1}
.mk-bottombar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.mk-bottombar-inner span{font-size:14px;color:var(--mk-text-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mk-container{max-width:100%}
}
@media (max-width:1023px){
  .mk-nav-desktop{display:none}
  .mk-nav-toggle{display:block}
  .mk-nav-actions .mk-btn-primary{display:none}
  .mk-compare,.mk-compare.is-reverse{grid-template-columns:1fr;gap:28px}
  .mk-compare.is-reverse .mk-compare-figure{order:-1}
  .mk-quick-grid{grid-template-columns:repeat(2,1fr)}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .mk-section{padding:56px 0}
  .mk-hero-metrics{gap:20px 0}
  .mk-metric{padding:0 20px}
  .mk-flow::before{left:21px}
  .mk-step{grid-template-columns:44px 1fr;gap:16px}
  .mk-step-num{width:44px;height:44px;border-radius:12px;font-size:15px}
  .mk-step-body{padding:18px}
  .mk-cta-band{border-radius:16px}
}
@media (max-width:520px){
  .mk-container{padding:0 16px}
  .mk-quick-grid{grid-template-columns:1fr}
  .mk-footer-grid{grid-template-columns:1fr}
  .mk-hero-actions .mk-btn{flex:1 1 100%}
  .mk-bottombar{height:56px}
  .mk-bottombar-inner span{font-size:13px}
  .mk-metric{padding:0 16px}
  .mk-footer-bottom{flex-direction:column;gap:6px}
  body{padding-bottom:64px}
}